145383 has 24 divisors (see below), whose sum is σ = 240768. Its totient is φ = 77616.

The previous prime is 145381. The next prime is 145391. The reversal of 145383 is 383541.

It is not a de Polignac number, because 145383 - 2¹ = 145381 is a prime.

It is a super-2 number, since 2×145383² = 42272433378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3360 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (10032).

2¹⁴⁵³⁸³ is an apocalyptic number.

145383 is a deficient number, since it is larger than the sum of its proper divisors (95385).

145383 is a wasteful number, since it uses less digits than its factorization.

145383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 76 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 145383 is about 381.2912272791. The cubic root of 145383 is about 52.5820937860.

It can be divided in two parts, 14538 and 3, that added together give a palindrome (14541).

The spelling of 145383 in words is "one hundred forty-five thousand, three hundred eighty-three".